Firstly, launch the user application of the AVG Antivirus on the device.And then, select the “Internet Security” option from the main window of AVG.After this, tap the “Menu” icon displayed at the rightmost corner of the AVG Antivirus title bar.Now, choose the “Settings” option from the drop down menu.On the Settings window, go to the “General” section.And then, unmark the “Enable AVG email Signature” checkbox.At last, click the “Save” button for saving all the changes made by the users.